Which compounds represent the reactant(s) in the chemical equation below?

c3h8 + 5o2 → 4h2o + 3co2
a) only c3h8
b) both c3h8 and 5o2
c) 4h2o
d) 3co2

Although there are a limited number of amino acids many different types of proteins exist because..

Identify the examples in which sam interacts only with natural resources

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen